Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502452 | Heat exchanger element and method for manufacturing such a heat exchanger element | — | 2019-12-10 |
| 6932080 | Arrangement of burner and heat exchanger, and air-heating apparatus | Raymundes Gerardus Clemens Hilbers | 2005-08-23 |